Denitration apparatus for a coal-fired boiler

ABSTRACT

An apparatus installed between a fuel economizer and an air preheater for the denitration of exhaust gas from a coal-fired boiler includes at least one vertical flue (5) situated upstream of a reactor (3) containing a denitration catalyst (3&#39;) to cause an upward flow of the gas. A hopper (6) is located below the vertical flue (5) for collecting ash separated from the gas. A baffle (7) is preferably provided in the flue (5) to ensure the still more effective separation of ash from the gas. &lt;IMAGE&gt;



